The Idea That Genotypes Are Not the Only Things That

question 90

Multiple Choice

The idea that genotypes are not the only things that control traits reflects the fact that

• A) ​dizygotic twins are virtually genetically identical while fraternal twins are not.
• B) ​each genotype can produce a variety of phenotypes, depending on the environment in which a person lives.
• C) ​recessive genes are more commonly expressed than dominant genes, especially in cases of polygenic inheritance.
• D) ​the environment has little impact on behavior, as has been demonstrated in the results of the nature-nurture question.

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Definitions:

Statistically Significantly

A measure of confidence in statistical analysis indicating that the observed effect is unlikely to be due to chance.

Diversified Portfolio

An investment strategy that involves spreading investments across various asset classes to reduce risk and volatility.

Capital Market Line

A line used in the capital asset pricing model to illustrate the rates of return for efficient portfolios depending on the risk-free rate and the level of risk (variance).

Forecasted Return

The expected return on an investment based on models of analysis or historical performance data.